Originally Posted by
sjvcycler
How about you invest in a dedicated GPS like a garmin? I don't see the point in using a phone as a GPS while cycling? I like my 4S to make phone calls and my garmin to do the gps.
You have to buy two (expensive) devices when one can suffice.
The major reason not to use a smartphone is the battery duration. (Another reason might be the water resistance/durability.)